EPA 1633, PFAS, ASTM D8421, MUR
Merit Laboratories, Inc.
PFAS by EPA 1633A and ASTM D8421 Included in ...

The analysis of PFAS by EPA 1633A and ASTM D8421 is part of the U.S. EPA’s Methods Update Rule (MUR) Rule 22. The action will promulgate EPA into 40 CFR Part 136. Also part of this action, PFAS method ASTM D8421 is proposed to be codified. 

PFAS by EPA 1633A and ASTM D8421 Included in EPA Methods Update Rule 22

CERCLA

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PFOA and PFOS Proposed for Designation as CERCLA Hazardous Substances

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PFOA and PFOS Proposed for Designation as CERCLA Hazardous Substances

In an expected move, the U.S. EPA is officially proposing a rule to add both perfluorooctanoic acid (PFOA) and perfluorooctanesulfonic acid (PFOS) as hazardous substances under Superfund (CERCLA). EPA made the announcement on August 25, 2022, in a pre-publication notice in the Federal Register.

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EPA Issues Guidance for PFAS Groundwater Contamination with Draft Interim Recommendations

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EPA Issues Guidance for PFAS Groundwater Contamination with Draft Interim Recommendations

The U.S. EPA has released draft recommendations for addressing groundwater contaminated with PFAS. The draft guidance specifically addresses perfluoroctanoic acid (PFOA) and perfluoroctane sulfonate (PFOS) at contaminated sites falling under federal cleanup programs. 

Senate Legislation Keeps PFAS on track to be Designated as Hazardous Substances under Superfund

Senate Legislation Keeps PFAS on track to be Designated as Hazardous Substances under Superfund

The United States Senate introduced legislation that would classify PFAS chemicals as hazardous substances under the Superfund (CERLCA/SARA).  The legislation, if enacted, provides an enforcement and cost recovery tool for the U.S. EPA to track down polluters and hold them responsible for clean-up costs associated with PFAS contamination.

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Michigan’s Superfund Legislative Report Published

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Michigan’s Superfund Legislative Report Published


The State of Michigan published its annual Superfund report summarizing hazardous substance cleanups of the 65 Michigan sites that are funded by CERCLA (Superfund). No new Michigan sites were added to the Superfund list in FY 2017. According to the MDEQ’s Remediation and Redevelopment Division, 10 of the state’s Superfund sites were in the operation and maintenance phase.